Trombetta S500-A60 Electronic Control Module, 12/24 Volt Part No. S500-A60 S500-A60 Electronic Control Module, 12/24 Volt Electronic controls for solenoids regulate the magnitude of electrical drive applied to the coil during the pull-in and/or hold operation of the solenoid to optimize performance of the solenoid The S500-A60 Module allows you to incorporate single or dual winding solenoids into your applications. The module accepts your 3 wire switched input (12V or 24V), and applies this input to the solenoid MurCal is an Authorized Distributor of Trombetta products MurCal provides experienced application and product support, before and after the sale